402907
Propionic acid
ACS reagent grade, ≥99.5%, liquid
동의어(들):
Acid C3, Propanoic acid, Propanyl acid
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제품정보 (DICE 배송 시 비용 별도)
Linear Formula:
CH3CH2COOH
CAS 번호:
Molecular Weight:
74.08
NACRES:
NA.21
PubChem Substance ID:
eCl@ss:
39021305
UNSPSC Code:
12352100
EC Number:
201-176-3
MDL number:
Beilstein/REAXYS Number:
506071
Assay:
≥99.5%
Form:
liquid
제품 이름
Propionic acid, ACS reagent, ≥99.5%
grade
ACS reagent
Quality Level
vapor density
2.55 (vs air)
vapor pressure
2.4 mmHg ( 20 °C)
assay
≥99.5%
form
liquid
autoignition temp.
955 °F
expl. lim.
12.1 %
analyte chemical class(es)
amino acids
impurities
≤0.002% Carbonyl compounds, ≤0.10% Readily oxidizable substances (as HCOOH), ≤0.15% water
evapn. residue
≤0.01%
color
APHA: ≤20
refractive index
n20/D 1.386 (lit.)
bp
141 °C (lit.)
mp
−24-−23 °C (lit.)
solubility
H2O: soluble
density
0.993 g/mL at 25 °C (lit.)
cation traces
heavy metals (as Pb): ≤0.001%
functional group
carboxylic acid
SMILES string
CCC(O)=O
InChI
1S/C3H6O2/c1-2-3(4)5/h2H2,1H3,(H,4,5)
InChI key
XBDQKXXYIPTUBI-UHFFFAOYSA-N
General description
Propionic acid (PA) is a naturally occurring carboxylic acid, which in its pure state exists as a colorless corrosive liquid with an unpleasant odor. It is miscible in water. Industrially it is produced by hydrocarboxylation of ethylene in presence nickel carbonyl as a catalyst. PA has been found to reduce food intake, lower the fatty acids content in plasma and liver, might improve tissue insulin sensitivity and exerts immunosuppressive actions. Propionic acid is an excellent raw material as it is stable, cheap and safe and can even be used as a food additive.
Propionic acid (PA) also known as propanoic acid is a short chain fatty acid mainly used as food preservative. It is one of the main metabolic end product formed during the fermentation of undigested food in the colon by the microbiota. Its manufacture by glycerol/glucose co-fermentation using Propionibacterium acidipropionici has been reported. Crystal structure study reveals that PA crystals are monoclinic with space group P21/c.
Application
Propionic acid may be used to alter limestone in order to increase its ability of CO2 uptake.
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signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B - STOT SE 3
target_organs
Respiratory system
저장 등급
3 - Flammable liquids
flash_point_f
129.2 °F - closed cup
flash_point_c
54 °C - closed cup
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
Derrick F MacFabe et al.
Behavioural brain research, 217(1), 47-54 (2010-10-13)
Recent evidence suggests that a variety of environmental factors, including dietary and gastrointestinal agents, may contribute to autism spectrum disorders (ASD). Here we administered propionic acid (PPA), a short chain fatty acid that is used as a food preservative and
Yin Liu et al.
Current microbiology, 62(1), 152-158 (2010-06-15)
Cosubstrates fermentation is such an effective strategy for increasing subject metabolic products that it could be available and studied in propionic acid production, using glycerol and glucose as carbon resources. The effects of glycerol, glucose, and their mixtures on the
The crystal structure of propionic acid.
Strieter FJ, et al.
Acta Crystallographica, 15(12), 1233-1239 (1962)